What is meant by QRS interval and p-wave of electrocardiogram?

What is meant by QRS interval and p-wave of electrocardiogram?

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Answers (5)

isaaq
1 week ago
The P wave represents the depolarization of the left and right atrium and also corresponds to atrial contraction. Strictly speaking, the atria contract a split second after the P wave begins. Because it is so small, atrial repolarization is usually not visible on ECG.
The QRS complex is a name for the combination of three of the graphical deflections seen on a typical electrocardiogram (EKG or ECG). It is usually the central and most visually obvious part of the tracing; in other words, it's the main spike seen on an ECG line.
It represents the time in which the ventricles depolarize and repolarize and is a measure of ventricular action potential (AP) duration. This interval should be determined in the ECG lead where it is longest.
delibee
1 week ago
The P-wave reflects atrial depolarization (activation). The PR interval is the distance between the onset of the P-wave to the onset of the QRS complex. The PR interval is assessed in order to determine whether impulse conduction from the atria to the ventricles is norma
Gaby
1 week ago
The P wave represents the depolarization of
the left and right atrium and also
corresponds to atrial contraction. Strictly
speaking, the atria contract a split second
after the P wave begins. Because it is so
small, atrial repolarization is usually not
visible on ECG.
The QRS complex is a name for the
combination of three of the graphical
deflections seen on a typical
electrocardiogram (EKG or ECG). It is usually
the central and most visually obvious part of
the tracing; in other words, it's the main
spike seen on an ECG line.
It represents the time in which the
ventricles depolarize and repolarize and is a
measure of ventricular action potential (AP)
duration. This interval should be
determined in the ECG lead where it is
longest.
Malik
1 week ago
The P wave represents the depolarization of the left and right atrium and also corresponds to atrial contraction. Strictly speaking, the atria contract a split second after the P wave begins. Because it is so small, atrial repolarization is usually not visible on ECG.
The QRS complex is a name for the combination of three of the graphical deflections seen on a typical electrocardiogram (EKG or ECG). It is usually the central and most visually obvious part of the tracing; in other words, it's the main spike seen on an ECG line.
It represents the time in which the ventricles depolarize and repolarize and is a measure of ventricular action potential (AP) duration. This interval should be determined in the ECG lead where it is longest
salome
1 week ago
The P wave represents the depolarization of the left and right atrium and also corresponds to atrial contraction. Strictly speaking, the atria contract a split second after the P wave begins. Because it is so small, atrial repolarization is usually not visible on ECG.
The QRS complex is a name for the combination of three of the graphical deflections seen on a typical electrocardiogram (EKG or ECG). It is usually the central and most visually obvious part of the tracing; in other words, it's the main spike seen on an ECG line.
It represents the time in which the ventricles depolarize and repolarize and is a measure of ventricular action potential (AP) duration. This interval should be determined in the ECG lead where it is longest.
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